A SCCA legal, limited preparation specification engine for H Production. 6 SCCA National wins in 2005. New: billet 3/4 race cam from Italy, cast pistons, valves and guides. 11:1 compression, .450" lift cam. Balanced and blueprinted, PBS lightened flywheel, adjustable cam pulley, under drive water pump pulley. stainless waterpump pipe. All the right stuff. A reliable engine. If you are looking for "Trick", look elsewhere. About six hours on fresh engine.